Jagan (Madhavan) and Jamuna (Amoga) meet in a shopping mall in Chennai. They like each other and spend a day chatting in the coffee shop. Jamuna, a believer in destiny, writes down her address and telephone number on a Rs.100 note and makes the payment at the cafe declaring that if the note came back to Jagan then it means that he was destined to meet her. She leaves town and they both trying locating each other by finding the bill.
In an alternate turn of the 20th century, an attack on the Bank of England by men who appear to be German soldiers followed by an attack on a German Zeppelin factory by the same men this time dressed as British soldiers, leads Europe to the brink of war.
Michael Jennings is a genius who's hired -- and paid handsomely -- by high-tech firms to work on highly sensitive projects, after which his short-term memory is erased so he's incapable of breaching security.
Two lost souls visiting Tokyo -- the young, neglected wife of a photographer and a washed-up movie star shooting a TV commercial -- find an odd solace and pensive freedom to be real in each other's company, away from their lives in America.